Remove unused mysql connector dependency

build.gradle

@@ -190,7 +190,6 @@ subprojects {
       dependency 'javax.servlet:javax.servlet-api:3.0.1'
       dependency 'javax.xml.bind:jaxb-api:2.3.0'
       dependency 'junit:junit:4.12'
-      dependency 'mysql:mysql-connector-java:5.1.46'
       dependency 'net.jpountz.lz4:lz4:1.3.0'
       dependency 'org.awaitility:awaitility:3.1.6'
       dependency 'org.apache.commons:commons-csv:1.4'

server/sonar-db-core/build.gradle

@@ -28,7 +28,6 @@ dependencies {
   testCompile 'com.oracle.jdbc:ojdbc8'
   testCompile 'com.tngtech.java:junit-dataprovider'
   testCompile 'junit:junit'
-  testCompile 'mysql:mysql-connector-java'
   testCompile 'org.assertj:assertj-core'
   testCompile 'org.dbunit:dbunit'
   testCompile 'org.mockito:mockito-core'
@@ -39,7 +38,6 @@ dependencies {
   testRuntime 'com.h2database:h2'
   testRuntime 'com.microsoft.sqlserver:mssql-jdbc'
   testRuntime 'com.oracle.jdbc:ojdbc8'
-  testRuntime 'mysql:mysql-connector-java'
   testRuntime 'org.postgresql:postgresql'
 }
 

server/sonar-db-dao/build.gradle

@@ -27,7 +27,6 @@ dependencies {
   testRuntime 'com.h2database:h2'
   testRuntime 'com.microsoft.sqlserver:mssql-jdbc'
   testRuntime 'com.oracle.jdbc:ojdbc8'
-  testRuntime 'mysql:mysql-connector-java'
   testRuntime 'org.postgresql:postgresql'
 }
 

server/sonar-db-migration/build.gradle

@@ -25,7 +25,6 @@ dependencies {
   testRuntime 'com.h2database:h2'
   testRuntime 'com.microsoft.sqlserver:mssql-jdbc'
   testRuntime 'com.oracle.jdbc:ojdbc8'
-  testRuntime 'mysql:mysql-connector-java'
   testRuntime 'org.postgresql:postgresql'
 }
 

sonar-application/build.gradle

@@ -53,7 +53,6 @@ dependencies {
 
   jdbc_h2 'com.h2database:h2'
   jdbc_mssql 'com.microsoft.sqlserver:mssql-jdbc'
-  jdbc_mysql 'mysql:mysql-connector-java'
   jdbc_postgresql 'org.postgresql:postgresql'
 
   bundledPlugin 'org.sonarsource.auth.github:sonar-auth-github-plugin:1.5.0.870@jar'